Finding the Fourth Proportional to 4,987,589.83, 6,882,876.92 and 2,782,452.65
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Solution
The fourth proportional to 4,987,589.83, 6,882,876.92 and 2,782,452.65 is: 3,839,786.31
Step by Step Solution
- Step 1: Write the proportion equation
4,987,589.83 : 6,882,876.92 = 2,782,452.65 : x - Step 2: Convert to fraction form
4,987,589.83/6,882,876.92 = 2,782,452.65/x - Step 3: Cross multiply
4,987,589.83x = 6,882,876.92 × 2,782,452.65 - Step 4: Simplify right side
4,987,589.83x = 19,151,279,111,765.57 - Step 5: Solve for x
x = 19,151,279,111,765.57/4,987,589.83 - Step 6: Final answer
x = 3,839,786.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.